<template>
  <div class="app-container">
    <el-form :model="queryParams" ref="queryForm" size="small" :inline="true" v-show="showSearch" label-width="68px">
      <el-form-item label="关键字" prop="name">
        <el-input v-model="queryParams.name" placeholder="请输入活动名称" clearable @keyup.enter.native="handleQuery"/>
      </el-form-item>

      <el-form-item>
        <el-button icon="el-icon-search"  size="mini" @click="handleQuery" type="primary">搜索</el-button>
        <el-button icon="el-icon-refresh" size="mini" @click="resetQuery">重置</el-button>
      </el-form-item>
    </el-form>

    <el-row :gutter="10" class="mb8">
      <el-col :span="1.5">
        <el-button type="primary" plain icon="el-icon-plus" size="mini" @click="handleAdd" v-hasPermi="['lottery:activity:add']">新增</el-button>
      </el-col>

      <el-col :span="1.5">
        <el-button type="success" plain icon="el-icon-edit" size="mini" :disabled="single" @click="handleUpdate" v-hasPermi="['lottery:activity:edit']">修改</el-button>
      </el-col>

      <el-col :span="1.5">
        <el-button type="danger" plain icon="el-icon-delete" size="mini" :disabled="multiple" @click="handleDelete" v-hasPermi="['lottery:activity:remove']">删除</el-button>
      </el-col>

      <el-col :span="1.5">
        <el-button type="warning" plain icon="el-icon-download" size="mini" @click="handleExport" v-hasPermi="['lottery:activity:export']">导出</el-button>
      </el-col>

      <right-toolbar :showSearch.sync="showSearch" @queryTable="getList"></right-toolbar>
    </el-row>

    <el-table v-loading="loading" :data="activityList" @selection-change="handleSelectionChange">
      <el-table-column type="selection" width="55" align="center" />
      <el-table-column label="活动名称" align="center" prop="name" />

      <el-table-column label="banner图" align="center" prop="bannerUrl">
        <template v-slot="scope">
          <el-image style="width: 40%" :src="scope.row.bannerUrl"/>
        </template>
      </el-table-column>

      <el-table-column label="显示位置" align="center" prop="showLocation">
        <template slot-scope="scope">
          <dict-tag :options="dict.type.show_location" :value="scope.row.showLocation"/>
        </template>
      </el-table-column>

      <el-table-column label="活动规则" align="center" prop="activityRules">
        <template slot-scope="scope">
          <dict-tag :options="dict.type.activity_rules" :value="scope.row.activityRules"/>
        </template>
      </el-table-column>

      <el-table-column label="H5的地址" align="center" prop="h5Url">
        <template slot-scope="scope">
          <a :href=scope.row.h5Url>{{scope.row.h5Url}}</a>
        </template>
      </el-table-column>

      <el-table-column label="状态" align="center" prop="status">
        <template slot-scope="scope">
          <dict-tag :options="dict.type.lottery_activity_status" :value="scope.row.status"/>
        </template>
      </el-table-column>

      <el-table-column label="序号" align="center" prop="seq" />

      <el-table-column label="创建时间" align="center" prop="createTime" width="200">
        <template slot-scope="scope">
          <span>{{ parseTime(scope.row.createTime, '{y}-{m}-{d} {h}:{i}:{s}') }}</span>
        </template>
      </el-table-column>
      <el-table-column label="活动有效时间" align="center" width="200">
        <template slot-scope="scope">
          <span>{{ parseTime(scope.row.startTime, '{y}-{m}-{d}') }} 至 {{ parseTime(scope.row.endTime, '{y}-{m}-{d}') }}</span>
        </template>
      </el-table-column>

      <el-table-column label="操作" align="center" class-name="small-padding fixed-width">
        <template slot-scope="scope">
          <el-button size="mini" type="text" icon="el-icon-edit" @click="handleUpdate(scope.row)" v-hasPermi="['lottery:activity:edit']">修改</el-button>
          <el-button size="mini" type="text" icon="el-icon-delete" @click="handleDelete(scope.row)" v-hasPermi="['lottery:activity:remove']">删除</el-button>
        </template>
      </el-table-column>
    </el-table>

    <pagination v-show="total>0" :total="total" :page.sync="queryParams.pageNum" :limit.sync="queryParams.pageSize" @pagination="getList"/>

    <!-- 添加或修改抽奖活动对话框 -->
    <el-dialog :title="title" :visible.sync="open" width="550px" append-to-body>
      <el-form ref="form" :model="form" :rules="rules" label-width="100px">
        <el-form-item label="活动名称" prop="name">
          <el-input v-model="form.name" placeholder="请输入活动名称,最多只能输入30个字,超过的字数不会保存" maxlength="30"/>
        </el-form-item>

        <el-form-item label="banner图" prop="bannerUrl">
          <image-upload v-model="form.bannerUrl" :limit="1" :file-type="['jpg','png']"/>
        </el-form-item>

        <el-form-item label="显示位置" prop="showLocation">
          <el-select v-model="form.showLocation" placeholder="请选择显示位置">
            <el-option v-for="dict in dict.type.show_location" :key="dict.value" :label="dict.label" :value="parseInt(dict.value)"/>
          </el-select>
        </el-form-item>

        <el-form-item label="活动规则" prop="activityRules">
          <el-select v-model="form.activityRules" placeholder="请选择活动规则">
            <el-option v-for="dict in dict.type.activity_rules" :key="dict.value" :label="dict.label" :value="parseInt(dict.value)"/>
          </el-select>
        </el-form-item>

        <el-form-item label="H5的地址" prop="h5Url">
          <el-input v-model="form.h5Url" placeholder="请输入H5的地址" />
        </el-form-item>

        <el-form-item label="序号" prop="seq">
          <el-input v-model="form.seq" placeholder="请输入序号" type="number" min='0' max='10'/>
        </el-form-item>

        <el-form-item label="开始时间" prop="startTime">
          <el-date-picker clearable v-model="form.startTime" type="date" value-format="yyyy-MM-dd" placeholder="请选择开始时间"/>
        </el-form-item>

        <el-form-item label="结束时间" prop="endTime">
          <el-date-picker clearable v-model="form.endTime" type="date" value-format="yyyy-MM-dd" placeholder="请选择结束时间"/>
        </el-form-item>
      </el-form>

      <div slot="footer" class="dialog-footer">
        <el-button type="primary" @click="submitForm">确 定</el-button>
        <el-button @click="cancel">取 消</el-button>
      </div>
    </el-dialog>
  </div>
</template>

<script>
  import { listActivity, getActivity, delActivity, addActivity, updateActivity } from "@/api/lottery/activity";

  export default {
    name: "Activity",
    dicts: ['show_location', 'lottery_activity_status', 'activity_rules'],
    data() {
      return {
        // 遮罩层
        loading: true,
        // 选中数组
        ids: [],
        // 非单个禁用
        single: true,
        // 非多个禁用
        multiple: true,
        // 显示搜索条件
        showSearch: true,
        // 总条数
        total: 0,
        // 抽奖活动表格数据
        activityList: [],
        // 弹出层标题
        title: "",
        // 是否显示弹出层
        open: false,
        // 查询参数
        queryParams: {
          pageNum: 1,
          pageSize: 10,
          name: null,
        },
        // 表单参数
        form: {},
        // 表单校验
        rules: {
          name: [
            { required: true, message: "活动名称不能为空", trigger: "blur" }
          ],
          bannerUrl: [
            { required: true, message: "banner图的地址不能为空", trigger: "blur" }
          ],
          showLocation: [
            { required: true, message: "显示位置不能为空", trigger: "change" }
          ],
          activityRules: [
            { required: true, message: "活动规则不能为空", trigger: "change" }
          ],
          h5Url: [
            { required: true, message: "H5的地址不能为空", trigger: "blur" }
          ],
          seq: [
            { required: true, message: "序号不能为空", trigger: "blur" }
          ],
          startTime: [
            { required: true, message: "开始时间不能为空", trigger: "blur" }
          ],
          endTime: [
            { required: true, message: "结束时间不能为空", trigger: "blur" }
          ]
        }
      };
    },
    created() {
      this.getList();
    },
    methods: {
      /** 查询抽奖活动列表 */
      getList() {
        this.loading = true;
        listActivity(this.queryParams).then(response => {
          this.activityList = response.rows;
          this.total = response.total;
          this.loading = false;
        });
      },
      // 取消按钮
      cancel() {
        this.open = false;
        this.reset();
      },
      // 表单重置
      reset() {
        this.form = {
          id: null,
          name: null,
          bannerUrl: null,
          showLocation: null,
          activityRules: null,
          h5Url: null,
          status: null,
          seq: null,
          createTime: null,
          startTime: null,
          endTime: null
        };
        this.resetForm("form");
      },
      /** 搜索按钮操作 */
      handleQuery() {
        this.queryParams.pageNum = 1;
        this.getList();
      },
      /** 重置按钮操作 */
      resetQuery() {
        this.resetForm("queryForm");
        this.handleQuery();
      },
      // 多选框选中数据
      handleSelectionChange(selection) {
        this.ids = selection.map(item => item.id)
        this.single = selection.length!==1
        this.multiple = !selection.length
      },
      /** 新增按钮操作 */
      handleAdd() {
        this.reset();
        this.open = true;
        this.title = "添加抽奖活动";
      },
      /** 修改按钮操作 */
      handleUpdate(row) {
        this.reset();
        const id = row.id || this.ids
        getActivity(id).then(response => {
          this.form = response.data;
          this.open = true;
          this.title = "修改抽奖活动";
        });
      },
      /** 提交按钮 */
      submitForm() {
        this.$refs["form"].validate(valid => {
          if (valid) {
            if (this.form.id != null) {
              updateActivity(this.form).then(response => {
                this.$modal.msgSuccess("修改成功");
                this.open = false;
                this.getList();
              });
            } else {
              addActivity(this.form).then(response => {
                this.$modal.msgSuccess("新增成功");
                this.open = false;
                this.getList();
              });
            }
          }
        });
      },
      /** 删除按钮操作 */
      handleDelete(row) {
        const ids = row.id || this.ids;
        this.$modal.confirm('是否确认删除抽奖活动编号为"' + ids + '"的数据项？').then(function() {
          return delActivity(ids);
        }).then(() => {
          this.getList();
          this.$modal.msgSuccess("删除成功");
        }).catch(() => {});
      },
      /** 导出按钮操作 */
      handleExport() {
        this.download('lottery/activity/export', {
          ...this.queryParams
        }, `activity_${new Date().getTime()}.xlsx`)
      }
    }
  };
</script>
